题目内容
Task 1 Should a person own a car This is an important question, in a large urban area. there are some good reasons for owning a car. First, a car allows a person to move around freely. With a car there is no need to check a bus schedule or wait for a train. Second, a car is a comfortable way to travel, especially in the winter time. in bad weather, the driver stays warm and dry, while the bus or train rider might have to stand in the rain. Finally, a driver is usually safe in a car at night. There are, on the other hand, many good reasons against owning a car. First, it can be very expensive. The price of fuel continues to rise each year. In addition, it is expensive to park the car. Second, owning a car can cause worry and stress. It is exhausting to drive in heavy traffic. If you leave your car on the street, it might get stolen. That is something also to worry about. What makes owning a car expensive The price of fuel continues to rise each year; and it is ______ and repair a car.
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塑料袋消费者中的一些人不是因为缺乏环保意识，而是贪图个人方便。在他们眼中，“塑料袋”等同于“方便袋”——现买东西即送袋子，省事省力又免去了上班拎布兜、菜篮的尴尬。殊不知，环境保护是利人利己、造福子孙的大事，每人每天使用一两个塑料袋，享受一两次方便，十几亿人口的大国将产生多么庞大的白色垃圾，给后人造成多大的麻烦。消费塑料袋看起来不过是芝麻大点的小事，但却与祖国的环保事业息息相关。这段话的标题最恰当的是：
Many people are surprised when they find the Internet(因特网)was set up in the 1960s. At that time, computers were large and expensive. Computer networks(网络) didn’t work well. If one computer in the network broke down, then the whole network stopped. So a new network system (系统) had to be set up. It should be good enough to be used by many different computers. If a part of the network was not working, information could be sent through another part. In this way computer network system would keep on working all the time. At first the Internet was only used by the government, but in the early 1970s,universities(大学) ,hospitals and banks were allowed(允许) to use it too. However, computers were still very expensive and the Internet was difficult to use. By the start of the 1990s, computers became cheaper and easier to use. Today it is easy to get on-line(上网) and it is said that millions of people use the Internet every day. Sending e-mail is more and more popular among students. The Internet has now become one of the most important parts of people’s life. Computers become cheaper and easier to use in the ______.
分4组，任选一组作答。每题的备选项中，只有1个最符合题意。矿山安全技术 煤矿常用的瓦斯检测仪器中，热催化瓦斯检测报警仪主要检测( )，检测范围0～5%。
Mr. Green was driving with boxes of ice cream back to the storehouse when he (41) himself in a traffic jam(交能堵塞). Feeling hot (42) the sun, he took an ice-cream and ate it. Four (43) children in the car behind watched him eat it. He was (44) for them and gave them some ice cream, too. In minutes, he was surrounded by children. By the time traffic began to move ,he had gone through four cardboard boxes. (45) of explaining the situation to his boss,he decided to buy the ice-cream himself. When he (46) to the storehouse,however,he was (47) to the manager’s office and asked (48) he had given away the company stock. He thought that he would be punished. Instead,his boss smiled in a (49) way and said that it was the best public (50) the company had had in years,people had been phoning in to thank the company.
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